body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;

  }

  .container {
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    width: 500px;
  }

  .form-group {
    margin-bottom: 15px;
  }

  .form-group label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
  }

  .form-group input {
    width: 480px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 3px;
  }

  .form-group button {
    padding: 10px 15px;
    background-color: #0084ff;
    color: #fff;
    border: none;
    border-radius: 3px;
    cursor: pointer;
  }

  .form-group button:hover {
    background-color: #0056b3;
  }
  
  * {
      margin: 0;
      padding: 0;
  }
  
  .container {
      margin: 0 auto;
      max-width: 100%;
      padding: 20px;
  }
  
  .header {
      width: 100%;
      height: 15px;
  
      align-items: center;
      justify-content: space-between;
      background-color: #fff;
      box-shadow: 0 2px 4px rgba(0, 0, 0, .1);
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      
  }
  .logo{
      text-align: center;
      font-size: 40px;
      margin-top: -20px;
  }
  .img-circle{
    border-radius:50%;
    list-style-type: none;
  }
/* 设置大小 */
  input[type="radio"] {
    margin-right: 40px;
    position: absolute;
  }